Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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A Study of Antibacterial Efficiency according to Direction of UV Irradiation in Cosmetic Case

  • Received : 2020.12.31
  • Accepted : 2021.02.10
  • Published : 2021.02.26
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Abstract

In this study, we propose an antibacterial efficiency according to the direction of UV irradiation. In the experiment, we measured the effective irradiation angle of UVC using S.aureus, a Gram-positive bacterium, and the variation of the antibacterial region according to the distance according to the direction of ultraviolet irradiation. Also, as a method to increase the antibacterial efficiency during horizontal irradiation of ultraviolet rays, we tested reflecting leaking UVC. As a result, the angle of ultraviolet irradiation was measured smaller than the product description, and in the case of the antibacterial area according to the direction of ultraviolet irradiation, the distance from the sample was increased during vertical irradiation, and the antibacterial area was increased as the distance from the sample was closer during horizontal irradiation. In addition, it was confirmed that antibacterial efficiency can be increased by reflecting leaking UVC during horizontal irradiation of UVC.

본 연구에서는 자외선 조사 방향에 따른 화장품 살균 효율성을 확인하고자 하였다. 실험에는 그람양성균인 S.aureus에 대하여 자외선 살균의 실효 조사 각을 측정하였고 자외선 조사 방향에 따른 거리별 살균 영역의 변화를 연구하였다. 그리고 자외선 수평 조사 시 살균 효율을 높일 수 있는 방법으로서 누출 자외선을 반사시키는 방법을 제시해보았다. 그 결과 자외선 조사 각은 제품 설명에 비해 더 작게 측정되었고 자외선 조사 방향에 따른 살균 영역의 경우 수직 조사 시 시료와의 거리가 멀어질수록, 수평 조사 시 시료와의 거리가 가까울수록 살균 영역이 증가하였다. 또한 자외선 수평 조사 시 누출 자외선을 반사시키는 것으로 살균 효율을 높일 수 있는 것을 확인 하였다.

Keywords

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